MapQuest/mapnik — pull request #4 by zerebubuth (2014-01-09 19:50:50+00:00)
Title: Added test for group symbolizer, fixed segfault

Segfault was due to `glyph_position` structs keeping a pointer to `glyph_info` objects which went out of scope at a different time. The (rather ugly) fix for the moment is to copy that information into the thunk object.